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Ch 11: Forces & Magnets

About This Chapter

Use the lessons in this helpful chapter to review or learn more about force and magnetism. You can access these learning tools at any time on your computer or mobile device to study for an exam or finish your homework so you can get the best grade possible.

Forces & Magnets - Chapter Summary

These interesting lessons introduce the concepts of air resistance and friction, as well as how forces are measured using a force meter. Our instructors present information on what simple machines are and how they're used. In this chapter, you also learn about different types of magnets, their many forms and uses and how to compare their strength. Once you complete this chapter, you will be ready to:

  • Explain how force and motion relate to each other
  • Give examples of friction
  • Describe how gears and cogs work together to transfer motion
  • Detail the power of the Earth's magnetic field

Review the lessons in this chapter, and then take the accompanying multiple-choice quizzes to see how well you understand the topics. Our instructors can offer help if you get stuck or need assistance. These learning tools are available 24 hours a day, 7 days a week for flexible study.

9 Lessons in Chapter 11: Forces & Magnets
Test your knowledge with a 30-question chapter practice test
Force & Motion Lesson for Kids

1. Force & Motion Lesson for Kids

Do you like sports? Did you know that playing sports is all about forces and motion? In this lesson, you will find out what motion is, what force is, and how they relate to each other.

What is Air Resistance? - Lesson for Kids

2. What is Air Resistance? - Lesson for Kids

Air resistance is a type of force that acts on moving objects. We experience this force every day, whether we know it or not. How does air resistance affect us and everything around us? Complete this lesson to find out.

Measuring Force: Lesson for Kids

3. Measuring Force: Lesson for Kids

Forces are measured in terms of a unit called Newtons. They cause objects around us to move or be held together. We draw forces using arrows and measure them with a force meter.

Friction Lesson for Kids: Definition & Examples

4. Friction Lesson for Kids: Definition & Examples

Friction is a type of force that keeps objects in place or slows them down. This lesson explores friction in greater detail and provides examples of friction in action.

Simple Machines for Kids: Definition & Examples

5. Simple Machines for Kids: Definition & Examples

Simple machines have been used by humans for thousands of years. Come and learn about what simple machines are, how they help us, and some real-life examples of simple machines.

Gears & Cogs: Lesson for Kids

6. Gears & Cogs: Lesson for Kids

Have you opened a can of soup or vegetables with a can opener lately? Like many simple machines, gears and cogs are used by people every day without them even realizing it. This lesson explains how gears and cogs work and their basic functions.

Magnetism Lesson for Kids: Definition & Facts

7. Magnetism Lesson for Kids: Definition & Facts

Magnetism is a physical property of matter and is also one of the basic forces of the universe. This lesson explores magnetism and magnets as well as the power of Earth's magnetic field.

Magnets Lesson for Kids: Uses & Types

8. Magnets Lesson for Kids: Uses & Types

Magnets are part of our everyday lives. They come in different forms and have different uses. In this lesson, you will learn about some different types of magnets as well as some of the uses for magnets.

How to Compare the Strength of Magnets: Lesson for Kids

9. How to Compare the Strength of Magnets: Lesson for Kids

In this lesson you will learn two ways to test the strength of magnets. You will find out how much a magnet can hold, and you will test from how far away it can attract. You will be able to compare magnets and tell which is the strongest.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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